+86 18588814900
86-10-60553140
86-10-60553141
chinabolts
285739025
gavin@jzbolts.com
Standard: DIN931, 933, 960, 961,7990 ISO4014, 4017, 8676, 8765,ASMEB18.2.1, JISB1180, AS1110 Grade: 4.8, 8.8, 10.9, 12.9 Size: M6-M100 Material: Carbon Steel